The document discusses the relationship between cannabis use and schizophrenia. It reports that cannabis use is associated with younger male schizophrenic patients, longer hospitalizations, and more suicide attempts. While cannabis use may increase psychotic symptoms in those with schizophrenia, one study found it improved cognition. Regular cannabis use has different effects on cognitive function in schizophrenic patients versus healthy controls. Another study found that CBD in cannabis may have antipsychotic and anxiolytic properties and could be a safe alternative treatment for schizophrenia.